Suppose a traveler wanted to visit a museum, an art gallery, and the state capitol building. 45-minute tours are offered at each attraction hourly from 10 a.m. through 3 p.m. (6 different hours). Solve the problem, disregarding travel time.In how many ways could the traveler schedule all three tours in one day, with the art gallery being the last tour of the day?
A. 30
B. 10
C. 40
D. 60
Answer: C
Mathematics
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Find the torsion of the space curve.r(t) = (9t sin t + 9 cos t)i + (9t cos t) - 9 sin t)j - 9k
A. ? = 1 B. ? = 0 C. Undefined D. ? = -1
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Simplify.9(-8) - (-15)
A. -87 B. -207 C. -57 D. 63
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Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.
x = 11
A. {1.73} B. {-2.75} C. {-1.73} D. {-0.58}
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Write the equation in vertex form. Identify the vertex.y = 3x2 - 4x
A. y = 3
2 - 
; 
B. y = 3
2 - 
; 
C. y = 3
2 - 
; 
D. y = 3
2 - 
; 
Mathematics